1 files changed, 84 insertions, 0 deletions
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Audio/AudioPlayableAssetEditor.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Audio/AudioPlayableAssetEditor.cs
new file mode 100644
index 0000000..553c4d8
--- /dev/null
+++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Audio/AudioPlayableAssetEditor.cs
@@ -0,0 +1,84 @@
+using System.Collections.Generic;
+using JetBrains.Annotations;
+using UnityEngine;
+using UnityEngine.Playables;
+using UnityEngine.Timeline;
+
+namespace UnityEditor.Timeline
+{
+    [CustomTimelineEditor(typeof(AudioPlayableAsset)), UsedImplicitly]
+    class AudioPlayableAssetEditor : ClipEditor
+    {
+        readonly string k_NoClipAssignedError = LocalizationDatabase.GetLocalizedString("No audio clip assigned");
+        readonly Dictionary<TimelineClip, WaveformPreview> m_PersistentPreviews = new Dictionary<TimelineClip, WaveformPreview>();
+        ColorSpace m_ColorSpace = ColorSpace.Uninitialized;
+
+        /// <inheritdoc/>
+        public override ClipDrawOptions GetClipOptions(TimelineClip clip)
+        {
+            var clipOptions = base.GetClipOptions(clip);
+            var audioAsset = clip.asset as AudioPlayableAsset;
+            if (audioAsset != null && audioAsset.clip == null)
+                clipOptions.errorText = k_NoClipAssignedError;
+            return clipOptions;
+        }
+
+        /// <inheritdoc/>
+        public override void DrawBackground(TimelineClip clip, ClipBackgroundRegion region)
+        {
+            if (!TimelineWindow.instance.state.showAudioWaveform)
+                return;
+
+            var rect = region.position;
+            if (rect.width <= 0)
+                return;
+
+            var audioClip = clip.asset as AudioClip;
+            if (audioClip == null)
+            {
+                var audioPlayableAsset = clip.asset as AudioPlayableAsset;
+                if (audioPlayableAsset != null)
+                    audioClip = audioPlayableAsset.clip;
+            }
+
+            if (audioClip == null)
+                return;
+
+            var quantizedRect = new Rect(Mathf.Ceil(rect.x), Mathf.Ceil(rect.y), Mathf.Ceil(rect.width), Mathf.Ceil(rect.height));
+            WaveformPreview preview;
+
+            if (QualitySettings.activeColorSpace != m_ColorSpace)
+            {
+                m_ColorSpace = QualitySettings.activeColorSpace;
+                m_PersistentPreviews.Clear();
+            }
+
+            if (!m_PersistentPreviews.TryGetValue(clip, out preview) || audioClip != preview.presentedObject)
+            {
+                preview = m_PersistentPreviews[clip] = WaveformPreviewFactory.Create((int)quantizedRect.width, audioClip);
+                Color waveColour = GammaCorrect(DirectorStyles.Instance.customSkin.colorAudioWaveform);
+                Color transparent = waveColour;
+                transparent.a = 0;
+                preview.backgroundColor = transparent;
+                preview.waveColor = waveColour;
+                preview.SetChannelMode(WaveformPreview.ChannelMode.MonoSum);
+                preview.updated += () => TimelineEditor.Refresh(RefreshReason.WindowNeedsRedraw);
+            }
+
+            preview.looping = clip.SupportsLooping();
+            preview.SetTimeInfo(region.startTime, region.endTime - region.startTime);
+            preview.OptimizeForSize(quantizedRect.size);
+
+            if (Event.current.type == EventType.Repaint)
+            {
+                preview.ApplyModifications();
+                preview.Render(quantizedRect);
+            }
+        }
+
+        static Color GammaCorrect(Color color)
+        {
+            return (QualitySettings.activeColorSpace == ColorSpace.Linear) ? color.gamma : color;
+        }
+    }
+}